Jobs at Block

Build and improve developer experience across large monorepos by leading framework and language migrations, dependency updates, build and CI improvements, automated refactoring, and agentic engineering workflows. The role identifies developer friction, creates safe automation and guardrails, partners with product engineering teams, measures impact, sets technical direction, and mentors engineers on tooling and codebase health.

Build and operate Block’s data platform, including warehousing, orchestration, business intelligence, governance, and agentic workflows. Develop reliable Python services, developer tools, and Terraform infrastructure for petabyte-scale data. Partner with data practitioners and product teams, establish engineering standards, provide technical direction, and mentor engineers while ensuring security, reliability, observability, usability, and data governance.

Leads Block’s global Workforce Optimization function across customer-facing and regulated operations. Defines forecasting, capacity planning, staffing, real-time management, analytics, automation, and vendor governance strategies. Connects long-range planning with staffing execution, establishes performance and regulatory controls, improves predictive decision-making, and partners with product, engineering, finance, compliance, and vendors. Builds and develops a multidisciplinary global team while managing incidents, operational risks, service quality, resilience, and cost.

Leads international seller onboarding operations across Europe, the UK, Australia, and APAC. Owns regional execution, staffing, vendor performance, market launches, localization, service levels, operational metrics, cost efficiency, and workflow improvements. Partners with Sales, Product, Finance, Legal, Compliance, and go-to-market teams while developing regional leaders and aligning local operating models with global standards. The role also uses AI to improve seller outcomes and internal workflows.

Own global B2B lifecycle and email marketing across prospect and merchant journeys. Develop personalized nurture, onboarding, adoption, retention, churn prevention, and winback programs across North America, the UK, and APAC. Lead email testing, segmentation, AI-enabled personalization, product go-to-market campaigns, reporting, and revenue-impact measurement. Partner with Sales, Product, Content, Revenue Operations, Partnerships, Compliance, and regional teams to improve merchant acquisition, activation, engagement, transaction volume, and lifetime value.

Leads compliance technology oversight for transaction monitoring, sanctions screening, customer risk scoring, and AI-driven case resolution models. Builds AI-powered automation, governance frameworks, human-in-the-loop controls, real-time monitoring dashboards, data-quality controls, and model performance processes. Partners with engineering, machine learning, policy, regulators, and independent monitors to ensure models and data pipelines are explainable, auditable, exam-ready, and aligned with AML requirements across fiat and virtual currency products.

Designs, builds, and operates scalable internal applications, backend services, APIs, integrations, and automated employee workflows. Owns solutions from architecture through deployment and support while improving reliability, observability, performance, and maintainability. Collaborates across engineering, product, design, security, and People Technology teams; provides technical leadership through architecture reviews, code reviews, mentoring, and roadmap contributions. The role also explores AI-powered capabilities to improve employee workflows and engineering productivity.

Develop and manage Square’s always-on B2B content engine across social, thought leadership, customer stories, partner content, and industry narratives. Build content calendars, formats, briefs, campaigns, and AI-assisted workflows; collaborate with marketing, sales, creative, communications, and external partners; manage production through launch; and use performance insights to optimize content and distribution.

Build and maintain network edge security systems that improve API security posture, detect and mitigate abusive traffic, and respond to emerging threats. Responsibilities include developing streaming analytics pipelines, integrating CDN and security vendors, managing production systems, contributing to machine learning models, and implementing AI-driven traffic classification. The role requires software or security engineering experience, expertise in Java, Kotlin, TypeScript, Python, SQL, Spark, CDN platforms, and AWS.

Leads and grows an engineering team building financial and supply chain platforms, including agentic workflow automation, reporting, forecasting, tax, compliance, and operational systems. Sets technical direction, architecture, roadmap, and delivery practices while partnering with Finance, Accounting, Tax, Compliance, Product, and Operations. Ensures reliability, security, scalability, testing, observability, and operational excellence, while developing engineers, future leaders, and a healthy engineering culture.

Manage seller onboarding and implementation from discovery through go-live, guiding merchants through product setup, training, hardware installation, data migration, and operational configuration. Coordinate with Sales, Account Management, Customer Success, Engineering, and Product to resolve obstacles and accelerate activation. Lead multiple complex merchant projects, create training materials, track feature requests, and support scalable onboarding strategies. The role requires occasional onsite work and bilingual English-Spanish communication.

Manage a portfolio of mid-market sellers, expanding use cases and technical solutions, negotiating contracts, and providing exceptional client service.

Leads Sales Development across North America and the UK, owning top-of-funnel pipeline performance, team integration, reporting, targeting, conversion, and revenue contribution. Builds scalable inbound and outbound motions, expands upmarket coverage, develops managers and representatives, and partners with Marketing, Sales, Finance, Risk, Compliance, Product, and Operations. Uses analytics, automation, and AI to improve prospecting and productivity while establishing rigorous planning, coaching, qualification, and performance standards.

Lead North American Mid-Market Sales to drive revenue for Cash App and Afterpay. Manage and coach a team of account executives, negotiate complex commercial deals, build cross-functional partnerships, shape go-to-market and portfolio strategy, represent the business to merchants, and advocate merchant feedback internally. Own revenue outcomes, team development, and scalable sales processes.

Generates outbound leads among small and medium-sized businesses through cold calls, personalized email, and prospecting. Builds and maintains a high-volume sales pipeline, meets KPIs, engages prospective and existing accounts, conducts needs analysis, and records activity in Salesforce for handoff to Account Executives.

Own Square’s organic social strategy, audience definition, content calendar, community management, social listening, creator and influencer partnerships, crisis support, and channel performance. Develop and publish content with creative partners, connect social to brand positioning and campaigns, coordinate organic and paid efforts, assess trends, and provide performance insights and recommendations across teams.

Lead technically complex card-acquiring payment projects from design through production. Build and operate highly reliable payment systems, integrations, testing and certification tooling, and shared engineering frameworks. Analyze ISO messages, network mandates, routing, authorization, clearing, settlement, and processing costs. Provide technical direction, mentor engineers, participate in on-call operations, and establish safe AI-assisted engineering practices for critical financial systems.

Operate and mature Block’s global business resilience program across business continuity, disaster recovery, crisis management, operational resilience, third-party resilience, testing, reporting, and regulatory support. Identify risks, maintain recovery plans, coordinate exercises, track remediation, assess third parties, communicate resilience posture to leadership and Boards, and improve workflows through AI, automation, dashboards, templates, and self-service tools.

Lead product data engineering across architecture, data modeling, pipelines, monitoring, lineage, and data quality. Build reliable analytical datasets, support experimentation and machine learning use cases, and resolve business-critical pipeline issues. Partner with product and engineering stakeholders to translate business needs into automated data solutions. The role requires ownership of end-to-end data engineering projects, on-call participation, and development of AI-assisted monitoring and automation.

Leads creative and content strategy for growth marketing portfolios, connecting audience insights, product messaging, paid and unpaid channels, landing pages, and business outcomes. Owns messaging frameworks, testing roadmaps, creative development, performance reviews, experimentation, and optimization. Uses AI-enabled tools and cross-functional influence to scale winning concepts, improve conversion, and drive acquisition and consideration.